EIA Drilling Productivity Report - April 2014

Independent Statistics & Analysis
Drilling Productivity Report
The six regions analyzed in this report accounted for 95% of domestic oil production growth and
all domestic natural gas production growth during 2011-13.
April 2014
For key tight oil and shale gas regions
U.S. Energy Information
Administration
Contents
Year-over-year summary 2
Bakken 3
Eagle Ford 4
Haynesville 5
Marcellus 6
Niobrara 7
Permian 8
Explanatory notes 9
Sources 10
Bakken
Marcellus
Niobrara
Haynesville
Eagle Ford
Permian

U. S. Energy Information Administration | Drilling Productivity Report
0
400
800
1,200
1,600
2,000
2,400
Bakken Eagle Ford Haynesville Marcellus Niobrara Permian
May-2013 May-2014
Oil production
thousand barrels/day
0
2,000
4,000
6,000
8,000
10,000
12,000
14,000
16,000
May-2013 May-2014
Natural gas production
million cubic feet/day
0
250
500
750
1,000
1,250
May-2013 May-2014
New-well oil production per rig
barrels/day
0
1,000
2,000
3,000
4,000
5,000
6,000
7,000
May-2013 May-2014
New-well gas production per rig
thousand cubic feet/day
(700)
(600)
(500)
(400)
(300)
(200)
(100)
0
May-2013 May-2014
Legacy gas production change
(125)
(100)
(75)
(50)
(25)
0
May-2013 May-2014
Legacy oil production change
drilling data through March projected
production through May
April 2014
Year-over-year summary
-10
0
10
20
30
40
50
60
70
May-2013 May-2014
Indicated monthly change in oil production (May vs. Apr)
-200
0
200
400
600
800
1,000
May-2013 May-2014
Indicated monthly change in gas production (May vs. Apr)
2

0
200
400
600
800
1,000
1,200
2007 2008 2009 2010 2011 2012 2013 2014
Oil production
Bakken
0
50
100
Apr
1,033
Mbbl/d
Production
from
new wells
Legacy
production
change
Net
change
May
1,055
Mbbl/d
Bakken
+90 -69 +21
Indicated change in oil production (May vs. Apr)
0
50
100
Apr
1,215
MMcf/d
Production
from
new wells
Legacy
production
change
Net
change
May
1,239
MMcf/d
Indicated change in natural gas production (May vs. Apr)
Bakken
+91 -67 +24
0
50
100
150
200
250
0
100
200
300
400
500
600
2007 2008 2009 2010 2011 2012 2013 2014
new-well oil production per rig
rig count
barrels/day
Bakken
Rig count
rigs
(80)
(70)
(60)
(50)
(40)
(30)
(20)
(10)
0
2007 2008 2009 2010 2011 2012 2013 2014
Bakken
(80)
(70)
(60)
(50)
(40)
(30)
(20)
(10)
0
2007 2008 2009 2010 2011 2012 2013 2014
BakkenBakken
0
1,000
2,000
3,000
4,000
5,000
6,000
7,000
2007 2008 2009 2010 2011 2012 2013 2014
Bakken
0
50
100
150
200
250
0
600
1,200
1,800
2,400
3,000
3,600
2007 2008 2009 2010 2011 2012 2013 2014
new-well gas production per rig
rig count
Bakken
Rig count
rigs
April 2014
Monthly
additions
from one
average rig
May
barrels/day
April
barrels/day
month over month
Oil
+7
Gas
month over month
+8
Bakken
month over month
505May
April 497
499
492
month over month
Oil +21 Gas +24
3

0
200
400
600
800
1,000
1,200
1,400
1,600
2007 2008 2009 2010 2011 2012 2013 2014
Oil production
Eagle Ford
0
50
100
150
Apr
1,351
Mbbl/d
Production
from
new wells
Legacy
production
change
Net
change
May
1,382
Mbbl/d
Eagle Ford
+135 -104 +31
0
50
100
150
200
250
300
350
400
Apr
6,696
MMcf/d
Production
from
new wells
Legacy
production
change
Net
change
May
6,811
MMcf/d
Eagle Ford
+371 -256 +115
0
50
100
150
200
250
300
350
0
100
200
300
400
500
600
2007 2008 2009 2010 2011 2012 2013 2014
rig count
barrels/day
Eagle Ford
Rig count
rigs
(120)
(100)
(80)
(60)
(40)
(20)
0
2007 2008 2009 2010 2011 2012 2013 2014
Eagle Ford
(300)
(250)
(200)
(150)
(100)
(50)
0
2007 2008 2009 2010 2011 2012 2013 2014
Eagle FordEagle Ford
0
1,000
2,000
3,000
4,000
5,000
6,000
7,000
2007 2008 2009 2010 2011 2012 2013 2014
Eagle Ford
0
50
100
150
200
250
300
350
0
600
1,200
1,800
2,400
3,000
3,600
2007 2008 2009 2010 2011 2012 2013 2014
rig count
Eagle Ford
Rig count
rigs
April 2014
Monthly
additions
from one
average rig
May
barrels/day
April
barrels/day
month over month
Oil
+7
Gas
month over month
+6
Eagle Ford
month over month
1,285May
April 1,279
470
463
month over month
Oil +31 Gas +115
4

barrels/day
0
400
800
1,200
1,600
2,000
2007 2008 2009 2010 2011 2012 2013 2014
Oil production
Haynesville
0.0
1.0
2.0
3.0
Apr
53
Mbbl/d
Production
from
new wells
Legacy
production
change
Net
change
May
53
Mbbl/d
Haynesville
+1 -1 +0
-150
-50
50
150
250
350
Apr
6,604
MMcf/d
Production
from
new wells
Legacy
production
change
Net
change
May
6,615
MMcf/d
Haynesville
+284 -272 +12
0
50
100
150
200
250
300
0
200
400
600
800
1,000
2007 2008 2009 2010 2011 2012 2013 2014
rig count
barrels/day
Haynesville
Rig count
rigs
(3)
(2)
(1)
0
2007 2008 2009 2010 2011 2012 2013 2014
Haynesville
(600)
(500)
(400)
(300)
(200)
(100)
0
2007 2008 2009 2010 2011 2012 2013 2014
HaynesvilleHaynesville
0
2,000
4,000
6,000
8,000
10,000
12,000
2007 2008 2009 2010 2011 2012 2013 2014
Haynesville
0
50
100
150
200
250
300
0
1,000
2,000
3,000
4,000
5,000
6,000
2007 2008 2009 2010 2011 2012 2013 2014
rig count
Haynesville
Rig count
rigs
April 2014
Monthly
additions
from one
average rig
May
April
barrels/day
month over month
Oil
0
Gas
month over month
+62
Haynesville
month over month
5,230May
April 5,168
23
23
month over month
Oil +0 Gas +12
5

Marcellus
0
400
800
1,200
1,600
2,000
2007 2008 2009 2010 2011 2012 2013 2014
Oil production
Marcellus
0.0
1.0
2.0
3.0
4.0
Apr
40
Mbbl/d
Production
from
new wells
Legacy
production
change
Net
change
May
41
Mbbl/d
Marcellus
+3 -2 +1
0
200
400
600
Apr
14,520
MMcf/d
Production
from
new wells
Legacy
production
change
Net
change
May
14,773
MMcf/d
Marcellus
+605 -352 +253
0
20
40
60
80
100
120
140
160
0
200
400
600
800
1,000
1,200
2007 2008 2009 2010 2011 2012 2013 2014
rig count
barrels/day
Marcellus
Rig count
rigs
(3)
(2)
(1)
0
2007 2008 2009 2010 2011 2012 2013 2014
Marcellus
(400)
(360)
(320)
(280)
(240)
(200)
(160)
(120)
(80)
(40)
0
2007 2008 2009 2010 2011 2012 2013 2014
MarcellusMarcellus
0
2,000
4,000
6,000
8,000
10,000
12,000
14,000
16,000
2007 2008 2009 2010 2011 2012 2013 2014
Marcellus
0
20
40
60
80
100
120
140
160
0
1,200
2,400
3,600
4,800
6,000
7,200
2007 2008 2009 2010 2011 2012 2013 2014
rig count
Marcellus
Rig count
rigs
April 2014
Monthly
additions
from one
average rig
May
barrels/day
April
barrels/day
month over month
Oil
0
Gas
thousandcubic feet/day
month over month
+46
month over month
6,501May
April 6,455
30
30
month over month
Oil +1 Gas +253
6

0
200
400
600
800
1,000
2007 2008 2009 2010 2011 2012 2013 2014
Oil production
Niobrara
0
10
20
30
40
Apr
306
Mbbl/d
Production
from
new wells
Legacy
production
change
Net
change
May
311
Mbbl/d
Niobrara
+34 -29 +5
0
50
100
150
200
Apr
4,144
MMcf/d
Production
from
new wells
Legacy
production
change
Net
change
May
4,169
MMcf/d
Niobrara
+151 -127 +24
0
20
40
60
80
100
120
140
0
100
200
300
400
500
600
2007 2008 2009 2010 2011 2012 2013 2014
rig count
barrels/day
Niobrara
Rig count
rigs
(35)
(30)
(25)
(20)
(15)
(10)
(5)
0
2007 2008 2009 2010 2011 2012 2013 2014
Niobrara
(160)
(140)
(120)
(100)
(80)
(60)
(40)
(20)
0
2007 2008 2009 2010 2011 2012 2013 2014
NiobraraNiobrara
0
1,000
2,000
3,000
4,000
5,000
6,000
2007 2008 2009 2010 2011 2012 2013 2014
Niobrara
0
20
40
60
80
100
120
140
0
600
1,200
1,800
2,400
3,000
3,600
2007 2008 2009 2010 2011 2012 2013 2014
rig count
Niobrara
Rig count
rigs
April 2014
Monthly
additions
from one
average rig
May
barrels/day
April
barrels/day
month over month
Oil
+8
Gas
month over month
+14
Niobrara
month over month
1,554May
April 1,540
352
344
month over month
Oil +5 Gas +24
7

0
200
400
600
800
1,000
1,200
1,400
1,600
2007 2008 2009 2010 2011 2012 2013 2014
Oil production
Permian
0
20
40
60
Apr
1,441
Mbbl/d
Production
from
new wells
Legacy
production
change
Net
change
May
1,454
Mbbl/d
Permian
+56 -43 +13
0
30
60
90
120
150
Apr
5,347
MMcf/d
Production
from
new wells
Legacy
production
change
Net
change
May
5,386
MMcf/d
Permian
+140 -100 +40
0
100
200
300
400
500
600
0
100
200
300
400
500
600
2007 2008 2009 2010 2011 2012 2013 2014
rig count
barrels/day
Permian
Rig count
rigs
(50)
(45)
(40)
(35)
(30)
(25)
(20)
(15)
(10)
(5)
0
2007 2008 2009 2010 2011 2012 2013 2014
Permian
(140)
(120)
(100)
(80)
(60)
(40)
(20)
0
2007 2008 2009 2010 2011 2012 2013 2014
PermianPermian
0
1,000
2,000
3,000
4,000
5,000
6,000
7,000
8,000
2007 2008 2009 2010 2011 2012 2013 2014
Permian
0
100
200
300
400
500
600
0
600
1,200
1,800
2,400
3,000
3,600
2007 2008 2009 2010 2011 2012 2013 2014
rig count
Permian
Rig count
rigs
April 2014
Monthly
additions
from one
average rig
May
barrels/day
April
barrels/day
month over month
Oil
+1
Gas
month over month
+3
Permian
month over month
276May
April 273
110
109
month over month
Oil +13 Gas +40
8

April 2014Explanatory notes
The Drilling Productivity Report uses recent data on the total number of drilling rigs in operation along
with estimates of drilling productivity and estimated changes in production from existing oil and natural
gas wells to provide estimated changes in oil and natural gas production for six key fields. EIA’s
approach does not distinguish between oil-directed rigs and gas-directed rigs because once a well is
completed it may produce both oil and gas; more than half of the wells do that.
Monthly additions from one average rig
Monthly additions from one average rig represent EIA’s estimate of an average rig’s1 contribution to
production of oil and natural gas from new wells.2 The estimation of new-well production per rig uses
several months of recent historical data on total production from new wells for each field divided by the
region's monthly rig count, lagged by two months.3 Current- and next-month values are listed on the top
header. The month-over-month change is listed alongside, with +/- signs and color-coded arrows to
highlight the growth or decline in oil (brown) or natural gas (blue).
New-well oil/gas production per rig
Charts present historical estimated monthly additions from one average rig coupled with the number of
total drilling rigs as reported by Baker Hughes.
Legacy oil and natural gas production change
Charts present EIA’s estimates of total oil and gas production changes from all the wells other than the
new wells. The trend is dominated by the well depletion rates, but other circumstances can influence the
direction of the change. For example, well freeze-offs or hurricanes can cause production to significantly
decline in any given month, resulting in a production increase the next month when production simply
returns to normal levels.
Projected change in monthly oil/gas production
Charts present the combined effects of new-well production and changes to legacy production. Total
new-well production is offset by the anticipated change in legacy production to derive the net change in
production. The estimated change in production does not reflect external circumstances that can affect
the actual rates, such as infrastructure constraints, bad weather, or shut-ins based on environmental or
economic issues.
Oil/gas production
Charts present oil and natural gas production from both new and legacy wells since 2007. This
production is based on all wells reported to the state oil and gas agencies. Where state data are not
immediately available, EIA estimates the production based on estimated changes in new-well oil/gas
production and the corresponding legacy change.
Footnotes:
1. The monthly average rig count used in this report is calculated from weekly data on total oil and gas rigs
reported by Baker Hughes
2. A new well is defined as one that began producing for the first time in the previous month. Each well belongs to
the new-well category for only one month. Reworked and recompleted wells are excluded from the calculation.
3. Rig count data lag production data because EIA has observed that the best predictor of the number of new
wells beginning production in a given month is the count of rigs in operation two months earlier.
9

April 2014Sources
The data used in the preparation of this report come from the following sources. EIA is solely
responsible for the analysis, calculations, and conclusions.
Drilling Info (http://www.drillinginfo.com) Source of production, permit, and spud data for counties
associated with this report. Source of real-time rig location to estimate new wells spudded and completed
throughout the United States.
Baker Hughes (http://www.bakerhughes.com) Source of rig and well counts by county, state, and basin.
North Dakota Oil and Gas Division (https://www.dmr.nd.gov/oilgas) Source of well production, permit,
and completion data in the counties associated with this report in North Dakota
Railroad Commission of Texas (http://www.rrc.state.tx.us) Source of well production, permit, and
completion data in the counties associated with this report in Texas
Pennsylvania Department of Environmental Protection
(https://www.paoilandgasreporting.state.pa.us/publicreports/Modules/Welcome/Welcome.aspx) Source
of well production, permit, and completion data in the counties associated with this report in
Pennsylvania
West Virginia Department of Environmental Protection (http://www.dep.wv.gov/oil-and-
gas/Pages/default.aspx) Source of well production, permit, and completion data in the counties
associated with this report in West Virginia
Colorado Oil and Gas Conservation Commission (http://cogcc.state.co.us) Source of well production,
permit, and completion data in the counties associated with this report in Colorado
Wyoming Oil and Conservation Commission (http://wogcc.state.wy.us ) Source of well production,
permit, and completion data in the counties associated with this report in Wyoming
Louisiana Department of Natural Resources (http://dnr.louisiana.gov) Source of well production,
permit, and completion data in the counties associated with this report in Louisiana
10

EIA Drilling Productivity Report - April 2014

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